2. With display unit for verticality of derrick, rotating of top-drive head and lift speed, it is available to fix position quickly and accurately to make sure the stable operation with high precision.

3. With track chassis and rotary device, the full hydraulic crawler jet grouting drilling rig is easy and speedy to move, which can shorten the time of changing places, greatly improving the working efficiency.

4. The major components in hydraulic system adopt the imported brand with a stable, reliable system, and they all have a long service life.

5. Top-drive head is driven by hydraulic with stepless speed regulation which is quite high efficient.

6. The full hydraulic crawler jet grouting drilling rig is equipped with clamping device to make sure the excellent performance with fine results.